FILE - In this April 11, 2014 file photo, Neko Case performs at the Coachella Music and Arts Festival in Indio, Calif. Fire investigators are looking for the cause of a fire on Monday, Sept. 18, 2017, that heavily damaged Case’s 225-year-old Vermont

FILE - In this April 17, 2009, file photo, Leonard Cohen performs during the Coachella Valley Music & Arts Festival in Indio, Calif. Cohen's family announced on Monday, Sept. 18, 2017 that a tribute concert for the late singer-songwriter will be held

Attendees watch the Antarctic powered by HP, a 360 degree sensory experience inside a large-scale projection dome, during the three-day Coachella Valley Music and Arts Festival at the Empire Polo Grounds, April 15, 2017, in Indio, California.